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energy Synonyms

Another word for energy

Choosing another word for energy depends on context, so the 21 synonyms and similar words below are separated across 4 exact definitions and ranked by match strength.
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• noun (Context 1)

The strength, vitality, and enthusiasm required for sustained physical or mental activity.

Usage Example

"After a full night of sleep, she had plenty of vitality to finish painting the house."

Strongest
vitality
vigor
stamina
Strong
dynamism
verve
zest
peppiness
gusto
brio
drive

• noun (Context 2)

Usable power derived from physical or chemical resources, such as fossil fuels, solar radiation, or wind, utilized to provide light, heat, or work.

Usage Example

"The country is investing heavily in solar and wind power to reduce carbon emissions."

Strongest
power
Strong
electricity
fuel

• noun (Context 3)

In physics, the quantitative property of a physical system that gives it the capacity to do work or produce heat, existing in kinetic, potential, thermal, electromagnetic, and other forms.

Usage Example

"According to the law of conservation of power, the total power of an isolated system remains constant over time."

Strong
power
force

• noun (Context 4)

A person's physical and mental powers or efforts, typically applied toward a specific goal or task (usually used in the plural).

Usage Example

"He devoted all his energies to reforming the local education system."

Strongest
efforts
exertions
Strong
endeavors
powers
labors
resources
faculties

Opposites of energy

The opposite of energy shifts depending on context. Common opposites include:

lethargy
exhaustion
fatigue
weariness
sluggishness
lassitude
idleness
languor
See all opposites of energy

Cite this Entry


Wordmom. (2026). Synonyms for Energy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/energy
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